Quote Originally Posted by weendoggy View Post
The tensioner should hold the chain taught when hand turning the engine. The key is to remove the slack first, the tensioner is spring loaded to keep it there, via it's ratcheting setup.
The Cloyes timing chain tensioners do not appear to have any sort of ratcheting setup, nothing like what I've seen on the Boss 302 tensioners. Maybe those tensioners are required for these springs.